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United States Department of Agriculture

Agricultural Research Service

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Image Number D1638-9

Biological science aides Dante Hamilton (left) and Arvind Shantharam measure leaf development of potatoes grown at different levels of nutrient stress. The data is used to calibrate models for estimating crop productivity in the eastern seaboard region.


Photo by Stephen Ausmus.

640 pixels wide: (d1638-9.jpg)

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Last Modified: 8/12/2016
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